WB said to themselves, we haven't revealed zod yet what do we do, why don't we just give them a random shot from the shoulders up in the first theatrical trailer.

And guess what, we don't care if it's a random shot, let's just give it to them.Nobody will know where or what his is doing in the shot.

If I was to guess I'd say they're still finalizing his look and just giving it touch-ups in every scene. Remember his suit is full-cgi which is going to stand out amongst the real-life sets if not done right.

I wonder how they'll explain why Kal-El, Zod and Faora are the only ones to survive Krypton's destruction. In a recent comic, they showed Jor-El explain to an assistant that he could only send Kal because the ship had to be really, really small in order to be fast enough to break free of an intense gravitational pull. But if that's the case in the new film, then how could Zod and Faora escape in a much larger ship?

__________________"Wonderful things can happen when you sow seeds of distrust in a garden of a**holes." - Raylan Givens

Why is space travel banned on Krypton anyways? Besides the obvious narrative need for it to explain why everyone died and no one survived the explosion of Krypton? Or is no other reason? Are Kryptonians xenophobic or something?